My teacher gave us lots of homework last weekend.
My teacher didn't give us lots of homework last weekend.
It was hot and sunny yesterday.
It wasn't hot and sunny yesterday.
I walked home from school yesterday.
I didn't walk home from school yesterday.
I got up before seven o'clock this morning.
I didn't get up before seven o'clock this morning.
I cooked a cherry pie last weekend.
I didn't cook a cherry pie last weekend.
I wrote my English essay yesterday.
I didn't write my English essay yesterday.
I could walk when I was one year old.
I couldn't walk when I was one year old.
I drank a glass of milkshake this evening.
I didn't drink a glass of milkshake this evening.
I saw a beautiful bird last summer.
I didn't see a beautiful bird last summer.